Make libidn optional.

[oweals/gnunet.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index e0cc93d79c2551eb5eca00b02066cb799846cb8a..bb02ab89353108eae8ef2a29d1f31b137001ce12 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -387,11 +387,7 @@ if test "$libidn" != "no"; then
     [libidn=yes LIBS="${LIBS} -lidn"], libidn=no),
      libidn=no)
 fi
-if test "$libidn" != "no" ; then
-  AC_DEFINE(LIBIDN, 1, [Define to 1 if you want IDN support.])
-  else
-  AC_MSG_FAILURE([Libidn not found])
-fi
+AM_CONDITIONAL([HAVE_LIBIDN], [test "$libidn" != "no"]) 
 AC_MSG_RESULT($libidn)
 
 
@@ -568,14 +564,38 @@ AM_CONDITIONAL(HAVE_POSTGRES, test x$postgres = xtrue)
 AC_SUBST(POSTGRES_CPPFLAGS)
 AC_SUBST(POSTGRES_LDFLAGS)
 
-# test for libz (maybe required for linking mysql)
-zlib=1
-AC_CHECK_LIB(z, compress,,zlib=0)
-AM_CONDITIONAL(HAVE_ZLIB, test x$zlib = x1)
-if test "$zlib" != 1
-then
- AC_MSG_ERROR([GNUnet requires zlib])
-fi
+# test for zlib
+SAVE_LDFLAGS=$LDFLAGS
+SAVE_CPPFLAGS=$CPPFLAGS
+AC_ARG_WITH(zlib,
+           [  --with-zlib[[=DIR]]       use libz in DIR],
+           [AS_IF([test "$withval" = "no"],
+                  [AC_MSG_ERROR([GNUnet requires zlib])],
+                  [test "$withval" != "yes"],
+                  [
+                    Z_DIR=$withval
+                    CPPFLAGS="${CPPFLAGS} -I$withval/include"
+                    LDFLAGS="${LDFLAGS} -L$withval/lib"
+                  ])
+           ])
+AC_CHECK_HEADER(zlib.h,
+               [],
+               [AC_MSG_ERROR([GNUnet requires zlib])])
+AC_CHECK_LIB(z, compress2,
+            [
+             AC_DEFINE([HAVE_ZLIB], [], [Have compression library])
+             if test "x${Z_DIR}" != "x"; then
+                     Z_CFLAGS="-I${Z_DIR}/include"
+                     Z_LIBS="-L${Z_DIR}/lib -lz"
+             else
+                     Z_LIBS="-lz"
+             fi],
+             [AC_MSG_ERROR([GNUnet requires zlib])])
+AC_SUBST(Z_CFLAGS)
+AC_SUBST(Z_LIBS)
+
+LDFLAGS=$SAVE_LDFLAGS
+CPPFLAGS=$SAVE_CPPFLAGS
 
 # mysql & windows
 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
@@ -1223,8 +1243,6 @@ src/ats/Makefile
 src/ats/ats.conf
 src/ats-tool/Makefile
 src/block/Makefile
-src/chat/Makefile
-src/chat/chat.conf
 src/core/Makefile
 src/core/core.conf
 src/consensus/Makefile
@@ -1267,6 +1285,7 @@ src/peerinfo-tool/Makefile
 src/postgres/Makefile
 src/pt/Makefile
 src/regex/Makefile
+src/regex/regex.conf
 src/set/Makefile
 src/set/set.conf
 src/statistics/Makefile